That doubtless provides some reasonable bandwidth savings on certain media sites, but I'm pretty sure the whitelisting approach is going to come out far, far ahead in general, as most ads don't load and some Javascript assets are themselves megabytes in size.
Also, IME, disabled users hate javascript. But my experience is limited to a few vision impaired folks.
Also, IME, disabled users hate javascript. But my experience is limited to a few vision impaired folks.